Prevalence of Stroke in Asian Patients with Sickle Cell Anemia: A Systematic Review and Meta-Analysis

Table 2

Subgroup analysis.

Subgroups	Total number of studies	Effect size	95% CI	I2 (%)	value
Sample size
<200	10	0.067	0.035–0.099	83.10	0.0001
>200	10	0.046	0.028–0.064	85	0
Country
Saudi Arabia	5	0.05	0.031–0.070	35.98	0
Turkey	3	0.089	0.021–0.157	82.14	0.0098
Yemen	3	0.04	0.020–0.060	29.81	0.0001
Lebanon	2	0.033	0.020–0.046	0	0
Pakistan	2	0.086	0.035–0.207	90.94	0.163
India	2	0.029	0.016–0.075	90.10	0.2057
Publication date
Before 2015	10	0.043	0.026–0.059	70.15	0
2015–2020	10	0.068	0.031–0.104	94.04	0.0003